Simplify 17j^2-12k^2+3j^2-15j^2+14k^2

$17 j^{2} - 12 k^{2} + 3 j^{2} - 15 j^{2} + 14 k^{2}$

Add $17 j^{2}$ and $3 j^{2}$ .

$20 j^{2} - 12 k^{2} - 15 j^{2} + 14 k^{2}$

Subtract $15 j^{2}$ from $20 j^{2}$ .

$5 j^{2} - 12 k^{2} + 14 k^{2}$

Add $- 12 k^{2}$ and $14 k^{2}$ .

$5 j^{2} + 2 k^{2}$